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Ubuntu brightness control not working install#

If your laptop doesn’t come with a dedicated brightness control button, and you don’t like to go to the System Settings to adjust the brightness everytime, you can install the “indicator-brightness” to directly adjust the screen brightness from your desktop. Once you have made the necessary changes, you can just close the dconf-editor. The settings will take effect immediately upon changes. The default is 90 seconds, but I have turned it down to 15 seconds. Go to Settings -> Devices -> Keyboard (This is in Ubuntu but I'm sure other distros have their own version of this) Scroll all the way down and press + to add a shortcut.

idle-dim-time – the amount of time before the system transits into idle mode.idle-dim-battery – Enabling this option will dim the screen when the system is idle and running on battery.

Section 'Device' Identifier 'card0' Driver 'intel' Option 'Backlight' 'intelbacklight' BusID. You can use any editor be it a terminal one or graphical.

idle-dim-ac – Enabling this option will dim the screen when the system is idle and running on AC power. Step 2: Fix brightness control issue with Intel card in Ubuntu and Linux Mint: Open a terminal and create the following configuration file, if it does not exist: Now we need to edit this file.

You can set it higher or lower depending on your needs. I have set it to only 10% of the full brightness.

idle-brightness – the brightness level when the system is idle.

You should see the following image:įrom here, you can change the “idle-brightness”, “idle-dim-ac”, “idle-dim-battery” and “idle-dim-time” settings. In the dconf-editor, on the left pane, navigate to “org -> gnome -> settings-daemon -> plugins -> power”.